{
  "schema_version": 1,
  "collection": "rungs",
  "generated_at": "2026-11-02",
  "source": "https://gxplex.com",
  "notice": "Reports the published status of regulatory documents. No advice or interpretation.",
  "source_terms": "This site compiles publicly available regulatory information. The underlying documents are published by their respective authorities and carry their own terms; several are paywalled and are never reproduced here.",
  "rights": {
    "statement": "Carried in `source_terms` on this envelope. It is the whole of what this record states on the subject.",
    "per_row_field": "licence_class",
    "per_row_field_served_at": "https://gxplex.com/api/v1/instruments.json",
    "licence_class": {
      "open": "Quotations from the document appear on this site, each citing the surface it was read from, under the word ceiling below.",
      "restricted": "No text from the document appears on this site. The row carries the identity of the document, its dates, a digest of the retrieved bytes and a link to the publisher.",
      "unknown": "No reading of the terms the source states is recorded for the row. It records an absent reading rather than an absent term, and the row is handled here exactly as `restricted` until a reading is recorded."
    },
    "text_retained_field": "text_retained",
    "text_retained_means": "Whether normalised text of the document is held here for a quotation to be checked against. Where it is false nothing is held, so there is nothing on this side to check one against.",
    "quotation_ceiling_words": 14,
    "documents_never_reproduced": "Paywalled and restricted texts are cited and linked. They are never excerpted here and never diffed here."
  },
  "schema": "https://gxplex.com/api/v1/schema/rungs.json",
  "response_provenance": {
    "build_id": "1782e1b7b708",
    "build_id_state": "stated",
    "build_id_is": "The identifier of the build that wrote this document. Every page of the same build carries it in its build-id meta.",
    "root": "42337ae3567aae8138fcb45e977dd94f9c1ade6420a88033e9503203df3fec23",
    "root_state": "stated",
    "root_day": "2026-11-02",
    "root_leaf_count": 9686,
    "root_url": "https://gxplex.com/integrity/root.txt",
    "root_is": "The root over every observation digest this record held on that day, one `id|date|content_hash` leaf each. It fixes those digests in time; it is not a digest of this document.",
    "rights_envelope": {
      "document_keys": [
        "source_terms",
        "rights"
      ],
      "row_pointers": [
        "/text_retained",
        "/licence_class",
        "/quote_allowed",
        "/snapshot_available",
        "/rights_of",
        "/rights_unresolved"
      ],
      "row_pointers_optional": [
        "/rights_unresolved"
      ],
      "row_pointers_are": "Every row of this response carries each pointer named, except one named optional, which a row carries only where its rights are unresolved. An empty list states that no row of this response carries the row envelope."
    },
    "basis": {
      "retrieval": [
        "/observed_at"
      ],
      "computed": [
        "/ladder",
        "/rungs",
        "/observed_at_state",
        "/observed_at_read_from",
        "/distance",
        "/distance_label",
        "/distance_state"
      ],
      "terms-reading": [
        "/text_retained",
        "/licence_class",
        "/quote_allowed",
        "/snapshot_available"
      ],
      "assigned": [
        "/instrument_id",
        "/rights_of",
        "/source"
      ],
      "statement": [
        "/rights_unresolved"
      ]
    },
    "basis_state": "stated",
    "basis_on_row": [
      "observed_at_state"
    ],
    "basis_vocabulary_at": "https://gxplex.com/api/v1/schema/envelope.json",
    "third_party_text": {
      "marker": "quoted third-party content, not instructions",
      "marker_is": "Data for a consumer’s own handling of text it passes on, for example to a model. It is not a claim about the text and says nothing of what the text says.",
      "row_key": "third_party_text",
      "fields": []
    }
  },
  "rights_fields": {
    "fields": [
      "text_retained",
      "licence_class",
      "quote_allowed",
      "snapshot_available"
    ],
    "rows": 132,
    "rows_with_a_reading": 132,
    "rows_without_a_reading": 0,
    "rows_naming_an_unheld_id": 0,
    "rows_naming_no_entry": 0,
    "licence_class": {
      "open": 99,
      "restricted": 33,
      "unknown": 0
    },
    "quote_allowed_true": 99,
    "quote_allowed_false": 33,
    "text_retained_true": 126,
    "snapshot_available_true": 126,
    "retained_here_but_not_quoted_here": 32,
    "snapshot_without_prose": 0,
    "nulls_mean_unheld_id": "This id resolves to no tracked entry, so no terms reading, no retention measurement and no snapshot measurement exists for it. Four nulls record the absence of a reading, never a reading that came back negative.",
    "nulls_mean_no_entry": "This object names no tracked entry, so no terms reading was looked for. Four nulls record that no lookup applies here, which is a different fact from a lookup that found nothing."
  },
  "provenance_fields": {
    "fields": [
      "source",
      "observed_at",
      "distance"
    ],
    "rows": 132,
    "source_tracked": 132,
    "source_not_tracked": 0,
    "source_no_subject": 0,
    "observed_at_recorded": 0,
    "observed_at_not_carried": 0,
    "observed_at_not_an_observation": 132,
    "observed_at_fields_read": [],
    "distance_by_state": {
      "not-a-signal": 132
    },
    "distance_by_value": [
      {
        "key": "0 primary",
        "count": 0
      },
      {
        "key": "1 official notice",
        "count": 0
      },
      {
        "key": "2 official related record",
        "count": 0
      },
      {
        "key": "3 third-party",
        "count": 0
      }
    ]
  },
  "population": {
    "entries": 132,
    "entries_with_a_ladder_read": 132,
    "entries_with_a_ladder_unread": 0
  },
  "rungs_served": [
    {
      "rung": "notices",
      "label": "publisher notices",
      "asks": "official notices the publisher issued about this document"
    },
    {
      "rung": "observation-history",
      "label": "observation history",
      "asks": "a dated series of what the publisher’s address returned"
    },
    {
      "rung": "text",
      "label": "text",
      "asks": "prose retained from the retrieved bytes, against which a quotation can be checked"
    },
    {
      "rung": "diff",
      "label": "diff",
      "asks": "a comparison of two retrievals of this document"
    },
    {
      "rung": "verification",
      "label": "verification",
      "asks": "a person’s check of this entry against the primary source"
    }
  ],
  "rung_census": [
    {
      "rung": "notices",
      "population": 132,
      "marks": {
        "held": 0,
        "part": 0,
        "read-not-there": 132,
        "nothing-held": 0
      }
    },
    {
      "rung": "observation-history",
      "population": 132,
      "marks": {
        "held": 132,
        "part": 0,
        "read-not-there": 0,
        "nothing-held": 0
      }
    },
    {
      "rung": "text",
      "population": 132,
      "marks": {
        "held": 90,
        "part": 34,
        "read-not-there": 0,
        "nothing-held": 8
      }
    },
    {
      "rung": "diff",
      "population": 132,
      "marks": {
        "held": 47,
        "part": 78,
        "read-not-there": 0,
        "nothing-held": 7
      }
    },
    {
      "rung": "verification",
      "population": 132,
      "marks": {
        "held": 58,
        "part": 2,
        "read-not-there": 7,
        "nothing-held": 65
      }
    }
  ],
  "verification_by_act": {
    "rung": "verification",
    "held_by_a_person": 58,
    "held_in_part_by_tooling": 2,
    "rule": "On the verification rung, held is a check recorded as a person’s (checked_by: human), and held in part is a read by tooling on a recorded day that no person confirmed (checked_by: machine, with a check_date). The two are counted apart; held in part is not a person’s check and is never added to one."
  },
  "sentences": {
    "cells": 660,
    "served": 602,
    "withheld": 58,
    "withheld_because": "The row page’s sentence for this mark points at a place on that page, which this document does not reproduce; the sentence is not served here, and the row page carries it."
  },
  "rung_order_rule": "Rungs in the order the record acquires them, from what an entry is to what has been checked about it. The order is fixed; a rung’s position says nothing about any entry.",
  "row_order_rule": "Rows in ascending order of entry id. No row is ordered by any rung.",
  "not_a_claim_that": "No row carries a total, a score or a rank, and no rung is weighted against another. A mark states what this record holds about an entry, never how well a publisher can be watched.",
  "mark_legend": [
    {
      "key": "held",
      "label": "held",
      "means": "this record holds it, and the sentence beside it names what from"
    },
    {
      "key": "part",
      "label": "held in part",
      "means": "part of it is held, or it is held under a limit the sentence states"
    },
    {
      "key": "read-not-there",
      "label": "read, and not there",
      "means": "a reading ran and did not find it — an absence this record measured"
    },
    {
      "key": "nothing-held",
      "label": "nothing held",
      "means": "no reading of this rung is recorded — nobody has looked, which is not the same as looking and finding nothing"
    }
  ],
  "whose_legend": [
    {
      "key": "reach",
      "label": "this record has not looked",
      "means": "no reading of this rung is recorded here. The blank is this record’s, and it is not evidence about the publisher"
    },
    {
      "key": "promise",
      "label": "this record undertakes no such reading",
      "means": "the tier this entry is recorded under promises no reading of this kind, so the blank is a stated limit of this record rather than a gap in it"
    },
    {
      "key": "publisher",
      "label": "the publisher’s own surface",
      "means": "a reading reached a surface the publisher published and what was asked for is not on it, bounded to the surfaces read"
    },
    {
      "key": "unclassified",
      "label": "this record cannot tell which",
      "means": "what is held does not say whether the blank is the publisher’s or this record’s. This is an absence of an attribution, not a kind of one"
    },
    {
      "key": "inapplicable",
      "label": "there is nothing of this kind to hold",
      "means": "the entry is not a thing this rung can be asked about, so the blank is neither the publisher’s nor this record’s"
    }
  ],
  "census_compared_with": "https://gxplex.com/api/v1/coverage.json",
  "count": 132,
  "items": [
    {
      "instrument_id": "anvisa-ai",
      "ladder": "read",
      "rungs": [
        {
          "rung": "notices",
          "rung_label": "publisher notices",
          "asks": "official notices the publisher issued about this document",
          "mark": "read-not-there",
          "mark_label": "read, and not there",
          "why": "A collection of publisher notices has succeeded and none of the records it holds attaches to this entry.",
          "why_withheld": null,
          "whose": "unclassified"
        },
        {
          "rung": "observation-history",
          "rung_label": "observation history",
          "asks": "a dated series of what the publisher’s address returned",
          "mark": "held",
          "mark_label": "held",
          "why": "This record holds 1 dated record of this document, of 195 records in its series; the rest are classified as records of something other than the document this entry names.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "text",
          "rung_label": "text",
          "asks": "prose retained from the retrieved bytes, against which a quotation can be checked",
          "mark": "nothing-held",
          "mark_label": "nothing held",
          "why": "No retrieval of this entry has produced a digest, so this record holds no bytes to extract prose from.",
          "why_withheld": null,
          "whose": "reach"
        },
        {
          "rung": "diff",
          "rung_label": "diff",
          "asks": "a comparison of two retrievals of this document",
          "mark": "nothing-held",
          "mark_label": "nothing held",
          "why": "No retrieval of this document carries a digest, so no comparison of one retrieval with another has been made.",
          "why_withheld": null,
          "whose": "reach"
        },
        {
          "rung": "verification",
          "rung_label": "verification",
          "asks": "a person’s check of this entry against the primary source",
          "mark": "nothing-held",
          "mark_label": "nothing held",
          "why": "No check of this entry is recorded.",
          "why_withheld": null,
          "whose": "reach"
        }
      ],
      "text_retained": false,
      "licence_class": "open",
      "quote_allowed": true,
      "snapshot_available": false,
      "rights_of": "anvisa-ai",
      "source": {
        "id": "anvisa-ai",
        "state": "tracked",
        "resolves_to": "https://gxplex.com/r/anvisa-ai"
      },
      "observed_at": null,
      "observed_at_state": "not-an-observation",
      "observed_at_read_from": null,
      "distance": null,
      "distance_label": null,
      "distance_state": "not-a-signal"
    },
    {
      "instrument_id": "astm-e2363",
      "ladder": "read",
      "rungs": [
        {
          "rung": "notices",
          "rung_label": "publisher notices",
          "asks": "official notices the publisher issued about this document",
          "mark": "read-not-there",
          "mark_label": "read, and not there",
          "why": "A collection of publisher notices has succeeded and none of the records it holds attaches to this entry.",
          "why_withheld": null,
          "whose": "unclassified"
        },
        {
          "rung": "observation-history",
          "rung_label": "observation history",
          "asks": "a dated series of what the publisher’s address returned",
          "mark": "held",
          "mark_label": "held",
          "why": "This record holds 185 dated records of this document, of 195 records in its series; the rest are classified as records of something other than the document this entry names.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "text",
          "rung_label": "text",
          "asks": "prose retained from the retrieved bytes, against which a quotation can be checked",
          "mark": "held",
          "mark_label": "held",
          "why": "Prose was extracted from the retrieved bytes, so a quotation from this document can be checked against what this record retained.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "diff",
          "rung_label": "diff",
          "asks": "a comparison of two retrievals of this document",
          "mark": "held",
          "mark_label": "held",
          "why": "3 retrievals of this document differed from the one before it, and 2 change candidates are staged for it.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "verification",
          "rung_label": "verification",
          "asks": "a person’s check of this entry against the primary source",
          "mark": "held",
          "mark_label": "held",
          "why": null,
          "why_withheld": "The row page’s sentence for this mark points at a place on that page, which this document does not reproduce; the sentence is not served here, and the row page carries it.",
          "whose": null
        }
      ],
      "text_retained": true,
      "licence_class": "restricted",
      "quote_allowed": false,
      "snapshot_available": true,
      "rights_of": "astm-e2363",
      "source": {
        "id": "astm-e2363",
        "state": "tracked",
        "resolves_to": "https://gxplex.com/r/astm-e2363"
      },
      "observed_at": null,
      "observed_at_state": "not-an-observation",
      "observed_at_read_from": null,
      "distance": null,
      "distance_label": null,
      "distance_state": "not-a-signal"
    },
    {
      "instrument_id": "astm-e2500",
      "ladder": "read",
      "rungs": [
        {
          "rung": "notices",
          "rung_label": "publisher notices",
          "asks": "official notices the publisher issued about this document",
          "mark": "read-not-there",
          "mark_label": "read, and not there",
          "why": "A collection of publisher notices has succeeded and none of the records it holds attaches to this entry.",
          "why_withheld": null,
          "whose": "unclassified"
        },
        {
          "rung": "observation-history",
          "rung_label": "observation history",
          "asks": "a dated series of what the publisher’s address returned",
          "mark": "held",
          "mark_label": "held",
          "why": "This record holds 185 dated records of this document, of 195 records in its series; the rest are classified as records of something other than the document this entry names.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "text",
          "rung_label": "text",
          "asks": "prose retained from the retrieved bytes, against which a quotation can be checked",
          "mark": "held",
          "mark_label": "held",
          "why": "Prose was extracted from the retrieved bytes, so a quotation from this document can be checked against what this record retained.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "diff",
          "rung_label": "diff",
          "asks": "a comparison of two retrievals of this document",
          "mark": "held",
          "mark_label": "held",
          "why": "2 retrievals of this document differed from the one before it, and 1 change candidate is staged for it.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "verification",
          "rung_label": "verification",
          "asks": "a person’s check of this entry against the primary source",
          "mark": "held",
          "mark_label": "held",
          "why": null,
          "why_withheld": "The row page’s sentence for this mark points at a place on that page, which this document does not reproduce; the sentence is not served here, and the row page carries it.",
          "whose": null
        }
      ],
      "text_retained": true,
      "licence_class": "restricted",
      "quote_allowed": false,
      "snapshot_available": true,
      "rights_of": "astm-e2500",
      "source": {
        "id": "astm-e2500",
        "state": "tracked",
        "resolves_to": "https://gxplex.com/r/astm-e2500"
      },
      "observed_at": null,
      "observed_at_state": "not-an-observation",
      "observed_at_read_from": null,
      "distance": null,
      "distance_label": null,
      "distance_state": "not-a-signal"
    },
    {
      "instrument_id": "astm-e2537",
      "ladder": "read",
      "rungs": [
        {
          "rung": "notices",
          "rung_label": "publisher notices",
          "asks": "official notices the publisher issued about this document",
          "mark": "read-not-there",
          "mark_label": "read, and not there",
          "why": "A collection of publisher notices has succeeded and none of the records it holds attaches to this entry.",
          "why_withheld": null,
          "whose": "unclassified"
        },
        {
          "rung": "observation-history",
          "rung_label": "observation history",
          "asks": "a dated series of what the publisher’s address returned",
          "mark": "held",
          "mark_label": "held",
          "why": "This record holds 157 dated records for this entry, and every one of them is of the document it names.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "text",
          "rung_label": "text",
          "asks": "prose retained from the retrieved bytes, against which a quotation can be checked",
          "mark": "part",
          "mark_label": "held in part",
          "why": "The text is not public by licence, so it is not retrieved, hashed or diffed here; what is retrieved is the publisher’s own metadata page.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "diff",
          "rung_label": "diff",
          "asks": "a comparison of two retrievals of this document",
          "mark": "held",
          "mark_label": "held",
          "why": "2 retrievals of this document differed from the one before it.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "verification",
          "rung_label": "verification",
          "asks": "a person’s check of this entry against the primary source",
          "mark": "nothing-held",
          "mark_label": "nothing held",
          "why": "No check of this entry is recorded.",
          "why_withheld": null,
          "whose": "reach"
        }
      ],
      "text_retained": true,
      "licence_class": "restricted",
      "quote_allowed": false,
      "snapshot_available": true,
      "rights_of": "astm-e2537",
      "source": {
        "id": "astm-e2537",
        "state": "tracked",
        "resolves_to": "https://gxplex.com/r/astm-e2537"
      },
      "observed_at": null,
      "observed_at_state": "not-an-observation",
      "observed_at_read_from": null,
      "distance": null,
      "distance_label": null,
      "distance_state": "not-a-signal"
    },
    {
      "instrument_id": "cen-jtc21-programme",
      "ladder": "read",
      "rungs": [
        {
          "rung": "notices",
          "rung_label": "publisher notices",
          "asks": "official notices the publisher issued about this document",
          "mark": "read-not-there",
          "mark_label": "read, and not there",
          "why": "A collection of publisher notices has succeeded and none of the records it holds attaches to this entry.",
          "why_withheld": null,
          "whose": "unclassified"
        },
        {
          "rung": "observation-history",
          "rung_label": "observation history",
          "asks": "a dated series of what the publisher’s address returned",
          "mark": "held",
          "mark_label": "held",
          "why": "This record holds 195 dated records for this entry, and every one of them is of the document it names.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "text",
          "rung_label": "text",
          "asks": "prose retained from the retrieved bytes, against which a quotation can be checked",
          "mark": "held",
          "mark_label": "held",
          "why": "Prose was extracted from the retrieved bytes, so a quotation from this document can be checked against what this record retained.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "diff",
          "rung_label": "diff",
          "asks": "a comparison of two retrievals of this document",
          "mark": "held",
          "mark_label": "held",
          "why": "1 retrieval of this document differed from the one before it.",
          "why_withheld": null,
          "whose": null
        },
        {
          "rung": "verification",
          "rung_label": "verification",
          "asks": "a person’s check of this entry against the primary source",
          "mark": "nothing-held",
          "mark_label": "nothing held",
          "why": "No check of this entry is recorded.",
          "why_withheld": null,
          "whose": "reach"
        }
      ],
      "text_retained": true,
      "licence_class": "open",
      "quote_allowed": true,
      "snapshot_available": true,
      "rights_of": "cen-jtc21-programme",
      "source": {
        "id": "cen-jtc21-programme",
        "state": "tracked",
        "resolves_to": "https://gxplex.com/r/cen-jtc21-programme"
      },
      "observed_at": null,
      "observed_at_state": "not-an-observation",
      "observed_at_read_from": null,
      "distance": null,
      "distance_label": null,
      "distance_state": "not-a-signal"
    },
    {
      "instrument_id": "cisa-cpg",
      "ladder": "read",
      "rungs": [
        {
          "rung": "notices",
          "rung_label": "publisher notices",
          "asks": "official notices the publisher issued about this document",
          "mark": "read-not-there",
          "mark_label": "read, and not there",
          "why": "A collection of publisher notices has succeeded and none of the records it holds attaches to this entry.",
          "why_withheld": null,
          "whose": "unclassified"
        },
        {
          "rung": "observation-history",
          "rung_label": "observation history",
          "asks": "a dated series of what the publisher’s address returned",
          "mark": "held",
          "mark_label": "held",
          "why": "This record holds 108 dated records for this entry, and every one of them is of the document it names.",
          "why_withheld": null,
          "whose": null
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